<?php

interface Updatable {
	/**
	 * This method update the database with the class instance value if it's not it the database
	 * it addes it to the database.
	 *
	 */
	public function updateDatabase();
	
	/**
	 * Restores that instance value from the database
	 *
	 */
	public function restoreFromDatabase();
	
	/**
	 * Removes the instace from the database
	 *
	 */
	public function deleteFromDatabase();
}
?>
